Home / 24,002.55-33,134.11-15,508.78

Finding the Fourth Proportional to 24,002.55, 33,134.11 and 15,508.78

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Solution

The fourth proportional to 24,002.55, 33,134.11 and 15,508.78 is: 21,408.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,002.55 : 33,134.11 = 15,508.78 : x
  2. Step 2: Convert to fraction form
    24,002.55/33,134.11 = 15,508.78/x
  3. Step 3: Cross multiply
    24,002.55x = 33,134.11 × 15,508.78
  4. Step 4: Simplify right side
    24,002.55x = 513,869,622.49
  5. Step 5: Solve for x
    x = 513,869,622.49/24,002.55
  6. Step 6: Final answer
    x = 21,408.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.